something having the property of being analogous to something else | an extremely steep face |
an imaginary line around the Earth parallel to the equator | a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point |
(mathematics) one of a set of parallel geometric figures (parallel lines or planes) | a Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting |
| a straight line at right angles to another line |